\tracingcharsubdef: Substitution diagnostics

To help diagnose problems with `\charsubdef', MLTeX provides a new primitive parameter, \tracingcharsubdef. If positive, every use of \charsubdef will be reported. This can help track down when a character is redefined.

In addition, if the TeX parameter \tracinglostchars is 100 or more, the character substitutions actually performed at \shipout-time will be recorded.

Go to the first, previous, next, last section, table of contents.